Question

- The mass and volume of a body are 4.237g±0.2 and 2.5±0.01.Find the density with error.​

Answer 1

Answer:

Explanation:dens.=mass ÷vol.

                                 4.237÷2.5  

                               =1.6948

ans=1.6948±0.21

Answer 2

Answer:

1.7±2.2

Explanation:

Just keep in mind that in case of multiplication significant figures are counted to round off the values and in case of addition the decimal place is used to round off values.